Vial holder arm unit or similar article



FIG. 1 is a perspective view of a vial holder arm unit or similar article in accordance with the design of the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a side view thereof, viewed from the right side of FIG. 1;

FIG. 6 is a back view thereof; and

FIG. 7 is a side view thereof, viewed from the left side of FIG. 1. 

The ornamental design for a vial holder arm unit or similar article, as shown and described. 